#!/bin/bash # 无限循环执行的shell脚本 while true; do # 在这里放置你需要重复执行的命令或脚本 echo "This script is running in an infinite loop." # 可以添加其他需要执行的命令或调用其他脚本 # sleep 1 # 如果需要,可以添加sleep命令来控制循环执行的频率 done 解释 Shebang (#! /bin/bash): 这...
a这种倒角方式 This bevel edge way [translate] aWrite a shell script that runs an infinite loop to monitor the creation and removal of .pdf or .PDF files under the current directory 使用者提供的变元表包含文本文件的合法的名字在当前目录存放的 [translate] ...
[root@www shell-script]# cat c_for02.sh#!/bin/bashfor((i=1,j=100;i<=10;i++,j--))doecho"i=$ij=$j"done 1. 2. 3. 4. 5. 6. for的无限循环 #!/bin/bashfor((i=0;i<1;i+=0))doecho"infinite loop"done 1. 2. 3. 4. 5. while循环 和for循环一样,while循环也是一种运...
解释: while [ "$1" != "" ]:当第一个参数不为空时,循环继续。 echo "Argument: $1":打印当前处理的参数。 shift:将参数列表向左移动一位,使得 $2 变为$1,依此类推。 运行: ./script.sh arg1 arg2 arg3 输出: Argument: arg1 Argument: arg2 Argument: arg3编辑...
The $# variable contains the number of arguments in the script. A handy way to iterate through all of the parameters passed involves the use of a while loop and the shift command. This command is what lets you iterate through all the arguments in the argument list (rather than remaining ...
bash -x script.sh AI代码助手复制代码 在循环中添加调试输出: while[$i-lt 10 ]doecho"DEBUG: i=$i">&2 ((i++))done AI代码助手复制代码 检查退出状态: whilecommanddo# ...doneecho"Exit status: $?" AI代码助手复制代码 6. 性能考虑与最佳实践 ...
Note: You can always press Ctrl-C to stop a running shell script. This is handy if you accidentally create a script with an infinite loop (one that will never end by itself). Previous Lesson: Shell Script Looping Next Lesson: Perl Basics [ RETURN TO INDEX ] Comments - most recent first...
For example if libname.sh contains some useful functions and exists in lib directory, you can import those functions into your script and call them. example: import "somefile" will import all defined functions in somefile.sh from lib directory where calling script resides. animation Create ...
chmod+x my_script.sh 运行脚本: ./my_script.sh 输出将是: Hello, Kali! 在命令行中设置自定义变量 在终端中直接定义变量并使用: MY_CUSTOM_VAR="Hello, Kali!"echo$MY_CUSTOM_VAR 输出将是: Hello, Kali! 注意事项 自定义变量的作用域仅限于当前解释器会话或脚本执行期间。
This command is what lets you iterate through all the arguments in the argument list (rather than remaining in an infinite loop). while [ $# -ne 0 ] do echo $1 shift done If a script takes a filename as an argument (or prompts a user for a filename) and the file will be read...